19497712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93739}}^1$

素因数の和:93760

約数の個数: 20

約数和(自身を含む): 40683160

約数和(自身を除く): 21185448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93739, 187478, 374956, 749912, 1218607, 1499824, 2437214, 4874428, 9748856, 19497712]

約数ペア:

[(1, 19497712), (2, 9748856), (4, 4874428), (8, 2437214), (13, 1499824), (16, 1218607), (26, 749912), (52, 374956), (104, 187478), (208, 93739)]